.common {
    max-width: 1200px;
    margin: 0px auto;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clear{
    clear: both;
}
.mt-10{
    margin-top: 10px;
}
.mt-20{
    margin-top: 20px;
}
.mt-30{
    margin-top: 30px;
}
.mt-50{
    margin-top: 50px;
}

/*top*/
.top-wrap{
    height: 120px;
    /*background-color: pink;*/
    margin-left: 30px;
}
.top-wrap-logo{
    padding: 20px 0px;
}
.top-wrap-logo img{
    height: 80px;
    width: 80px;
}

/*content*/
.main-content{
    width: 100%;
    height: 600px;
    background-color: #FFC6DE;
    background: url("../img/bac.png") no-repeat center;
    background-size:1920px 600px ;
    min-width: 1200px;
    margin: 0px auto 0;
}

.main-content-login{
    width: 350px;
    height: 405px;
    border: 1px solid gainsboro;
    background-color: white;
    margin: 100px 50px;
}
.login-top{
    height:50px;
    border-bottom: 1px solid gainsboro;
    font-family: microsoft yahei, arial, sans-serif;
    font-size: 17px;
    color: #333;
    line-height: 50px;
    text-align: center;
}
.login-content{
    margin: 30px 25px 0px;
}
.login-content-input input{
    width: 300px;
    height: 40px;
    border: 1px solid gainsboro;
    font-family: microsoft yahei, arial, sans-serif;
    font-size: 15px;
    color: #333;
    padding-left: 10px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.login-content-last{
    font-family: microsoft yahei, arial, sans-serif;
    font-size: 13px;
    color: #656565;
}
.login-content-pass input{
    width: 15px;
    height: 15px;
    vertical-align: middle;
}
.login-content-reg{
    font-family: microsoft yahei, arial, sans-serif;
    font-size: 13px;
    color: #656565;
}
.login-content-reg a{
    color: #656565;
    text-decoration: none;
}
.login-content-reg a:hover{
    text-decoration: underline;
}
.login-content-pass span{
    vertical-align: middle;
}
.login-button{
    text-align: center;
}
.login-button button{
    height: 40px;
    width: 280px;
    background-color: #227FCA;
    font-family: microsoft yahei, arial, sans-serif;
    font-size: 15px;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}